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https://www.readbyqxmd.com/read/29240533/investigation-of-perceptual-motor-behavior-across-the-expert-athlete-to-disabled-patient-skill-continuum-can-advance-theory-and-practical-application
#1
Sean Müller, Ann-Maree Vallence, Carolee Winstein
A framework is presented of how theoretical predictions can be tested across the expert athlete to disabled patient skill continuum. Common-coding theory is used as the exemplar to discuss sensory and motor system contributions to perceptual-motor behavior. Behavioral and neural studies investigating expert athletes and patients recovering from cerebral stroke are reviewed. They provide evidence of bi-directional contributions of visual and motor systems to perceptual-motor behavior. Majority of this research is focused on perceptual-motor performance or learning, with less on transfer...
December 14, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/29239995/development-of-anaerobic-fitness-in-top-level-competitive-youth-ice-hockey-players
#2
Jeff R Leiter, Dean M Cordingley, Peter B MacDonald
Ice hockey is a physiologically complex sport involving both the anaerobic and aerobic energy systems. The purpose of this study was to evaluate the anaerobic power output (PO) of top-level competitive youth hockey players. It was hypothesized that with each successive increase in age there would be an associated change in anaerobic PO. Two hundred and fifty-one male hockey players between the ages of 13-17 years of age participated in this study. All athletes completed a 30-second Wingate test as part of a pre-season physiological and fitness combine...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239986/practical-model-of-low-volume-paddling-based-sprint-interval-training-improves-aerobic-and-anaerobic-performances-in-professional-female-canoe-polo-athletes
#3
Mohsen Sheykhlouvand, Erfan Khalili, Mohammadali Gharaat, Hamid Arazi, Mousa Khalafi, Bahman Tarverdizadeh
Brief, intense exercise training employing running and cycling as exercise interventions may induce aerobic and anaerobic adaptations in athletes from wide range of sports. However, this has not been studied extensively for those sports in which the upper-body is predominantly involved. Our purpose was to examine the effects of kayak paddling-based sprint interval training (SIT) on cardiorespiratory fitness and anaerobic performance. 16 professional female canoe polo athletes (age = 27.6 ± 1.9 years; height = 165...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239985/training-load-physical-performance-biochemical-markers-and-psychological-stress-during-a-short-preparatory-period-in-brazilian-elite-male-volleyball-players
#4
Thiago A G Horta, Maurício G Bara Filho, Danilo R Coimbra, R Miranda, Francisco Z Werneck
The aim of this study was to assess the relationship between training load (TL) and physical performance, biochemical markers, and psychological stress during a short preparatory period (PP) in Brazilian elite male volleyball players. Twelve volleyball players from a team competing in the Brazilian Men's Volleyball Super League were enrolled (26.9 ± 4.6 years). Countermovement Jump (CMJ), Creatine Kinase (CK), Testosterone (T), Cortisol (Cr), T/Cr ratio, and Recovery and Stress Questionnaire for Athletes (RESTQ-Sport) were collected at baseline, after 2, 4, and 6 week...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239047/does-the-amount-of-lower-extremity-movement-variability-differ-between-injured-and-uninjured-populations-a-systematic-review
#5
REVIEW
Samuel R Baida, Shane J Gore, Andrew D Franklyn-Miller, Kieran A Moran
Movement variability during repetitive performance of a dynamic activity (e.g. running, jumping, kicking) is considered an integral characteristic of optimal movement execution, however, it's relationship with musculoskeletal injury is not known. The primary aim of this paper was to review published comparison trials to determine if movement variability differs between uninjured controls and subjects with a lower limb musculoskeletal injury. A systematic search of online databases; Medline, Sports Discus, Scopus and Web of Science was conducted from July to November 2016...
December 14, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29238243/analysis-of-time-motion-and-heart-rate-in-elite-male-and-female-beach-handball
#6
Basilio Pueo, Jose M Jimenez-Olmedo, Alfonso Penichet-Tomas, Manuel Ortega Becerra, Jose J Espina Agullo
Beach handball is a spectacular new team sport; however, scientific knowledge about the demands in beach handball is very low. Consequently, the aim of this study was to analyze the physical demands of elite beach handball players by means of time-motion analysis with GPS technology and physiological response with Heart Rate (HR). Both male (n = 12) and female (n = 12) players from the Spanish Beach Handball National Team were recruited for this study. The sample consisted in four matches of two 10-min periods each...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29237480/achilles-tenodesis-for-calcaneal-insufficiency-avulsion-fractures-associated-with-diabetes-mellitus
#7
Youngrak Choi, Young-Woo Kwon, Young-Suk Sim, Taeho Kim, Dayoung Song, Soohyun Lee
BACKGROUND: Calcaneal insufficiency avulsion (CIA) fractures often present with neuropathic etiology, such as Charcot neuroarthropathy (CN). Under the same surgical procedures, the outcomes of CIA fractures are less desirable, compared to the outcomes of the traumatic calcaneal avulsion fractures. Here, the study suggests Achilles tenodesis technique using suture anchor after resection of the CIA fracture fragments could provide satisfactory clinical results in the cases of surgically indicated CIA fractures...
December 13, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29237356/the-influence-of-injury-definition-on-injury-burden-in-pre-professional-ballet-and-contemporary-dancers
#8
Sarah J Kenny, Luz Palacios-Derflingher, Jackie L Whittaker, Carolyn A Emery
Study Design Cohort study. Background Multiple operational definitions of injury exist in dance research. The influence that these different injury definitions have on epidemiological estimations of injury burden among dancers warrants investigation. Objective To describe the influence of injury definition on injury prevalence, incidence, and severity in pre-professional ballet and contemporary dancers. Methods Dancers registered in full-time pre-professional ballet [n=85, 77 females, median age 15-years (range 11-19)] and contemporary [n=60, 58 females, median age 19-years (range 17-30)] training completed weekly online questionnaires (modified Oslo Sports Trauma Research Centre's Questionnaire on Health Problems) using three injury definitions: (1) time-loss (unable to complete ≥1 class/rehearsal/performance ≥1 day(s) beyond onset); (2) medical attention; (3) any complaint...
December 13, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29237243/exercise-related-severe-cardiac-events
#9
Lourdes Vicent, Albert Ariza-Solé, José Ramón González-Juanatey, Aitor Uribarri, José Ortiz, Esteban López de Sá, Jordi Sans-Roselló, Carlos Tomás Querol, Pau Codina, Iago Sousa-Casasnovas, Manuel Martínez-Sellés
BACKGROUND: Physical activity has benefits on health. However, there is a small risk of effort-related adverse events. The aim of this study is to describe exercise-related severe cardiovascular events and to relate them with the type of sport performed. METHODS: Ten-year retrospective study in 8 Spanish cardiac intensive care units. Adverse cardiac events were defined as acute myocardial infarction, cardiac arrest, or syncope related to physical activity. RESULTS: From 117 patients included, 109 were male (93...
December 13, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29235936/ego-involvement-increases-doping-likelihood
#10
Christopher Ring, Maria Kavussanu
Achievement goal theory provides a framework to help understand how individuals behave in achievement contexts, such as sport. Evidence concerning the role of motivation in the decision to use banned performance enhancing substances (i.e., doping) is equivocal on this issue. The extant literature shows that dispositional goal orientation has been weakly and inconsistently associated with doping intention and use. It is possible that goal involvement, which describes the situational motivational state, is a stronger determinant of doping intention...
December 13, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29234919/-soft-skills-somewhat-different-doping
#11
REVIEW
H J Heppner
Doping actually means the taking of illegal substances or the use of forbidden methods to increase or maintain performance. Diseases associated with age and functional decline can lead to constraints in the activities of daily living and this leads to loss of autonomy; therefore, doping in its different variations is used to try to achieve performance, which would not otherwise be possible. A somewhat different method is soft skills, i.e. personal, social and methodological competences, which are adopted to remain fit with the help of selection and compensation...
December 12, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/29234553/gait-deficits-under-dual-task-conditions-in-the-concussed-adolescent-and-young-athlete-population-a-systematic-review
#12
Larisa Grants, Bailey Powell, Cody Gessel, Faith Hiser, Amy Hassen
Background: There are no current sport concussion assessments that capture the effects of dual-task conditions on gait. Multiple studies have evaluated changes, but none have comprehensively examined literature related to the adolescent and young adult population.Purpose: The purpose of this systematic review is to synthesize documented changes in gait under dual-task conditions in adolescents and young adults after sustaining a concussion.Study Design: Systematic Review. Methods: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was consulted to guide this systematic review...
December 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29233376/a-pharmacy-student-s-role-as-a-teaching-assistant-in-an-undergraduate-medicinal-chemistry-course-implementation-evaluation-and-unexpected-opportunities-for-educational-outreach
#13
Matthew J DellaVecchia, Alyssa M Claudio, Jamie L Fairclough
BACKGROUND AND PURPOSE: To describe 1) a pharmacy student's teaching assistant (TA) role in an undergraduate medicinal chemistry course, 2) an active learning module co-developed by the TA and instructor, and 3) the unexpected opportunities for pharmacy educational outreach that resulted from this collaboration. EDUCATIONAL ACTIVITY AND SETTING: Medicinal Chemistry (CHM3413) is an undergraduate course offered each fall at Palm Beach Atlantic University (PBA). As a TA for CHM3413, a pharmacy student from the Gregory School of Pharmacy (GSOP) at PBA co-developed and implemented an active learning module emphasizing foundational medicinal chemistry concepts as they pertain to performance enhancing drugs (PEDs)...
November 2017: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/29233177/influences-of-perfectionism-and-motivational-climate-on-attitudes-towards-doping-among-korean-national-athletes-a-cross-sectional-study
#14
Moonjung Bae, Jungjoong Yoon, Hyunyong Kang, Taegyu Kim
BACKGROUND: The motives for elite athletes to dope are related primarily to maintaining and improving their physical performance. Especially, elite athletes training to compete in the Olympics may feel unique situational pressure, which may in turn induce powerful motivation for doping and predict doping behavior. This study aimed to investigate possible factors associated with attitudes towards doping in Korean national athletes who competed in the Rio 2016 Olympic Games. METHODS: A total of 198 athletes (95 female, 103 male) completed the questionnaire, which covered demographic information, doping-related experiences, Performance Enhancement Attitude Scale (PEAS), Perfectionism in Sports Scale (PSS; coach's criticism, concern over mistakes, and personal standards), and Perceived Motivational Climate in Sport Questionnaire-2 (PMCSQ-2; ego-involving and task-involving climates)...
December 12, 2017: Substance Abuse Treatment, Prevention, and Policy
https://www.readbyqxmd.com/read/29231753/rates-of-insufficiency-and-deficiency-of-vitamin-d-levels-in-elite-professional-male-and-female-skiers-a-chronobiologic-approach
#15
Jacopo Antonino Vitale, Giovanni Lombardi, Luca Cavaleri, Rosa Graziani, Herbert Schoenhuber, Antonio La Torre, Giuseppe Banfi
Vitamin D is essential for the maintenance and promotion of musculoskeletal health, for the functioning of the immune, cardiovascular and reproductive systems, and its main action is to keep calcium and phosphate plasmatic physiological concentrations at intestinal, renal and bony level. Vitamin D affects several parameters related to physical performance too and a particularly high percentage of vitamin D insufficiency and deficiency in professional athletes has been observed. Several variables are able to impair the synthesis of 25(OH)D in athletes, specifically both genetic and environmental factors, but the most probable explanation for the deficient/insufficient vitamin D levels is the insufficient ultraviolet B light (UVB) exposure during winter...
December 12, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29231092/test-retest-reliability-of-the-irrational-performance-beliefs-inventory
#16
M J Turner, M J Slater, J Dixon, A Miller
The irrational performance beliefs inventory (iPBI) was developed to measure irrational beliefs within performance domains such as sport, academia, business, and the military. Past research indicates that the iPBI has good construct, concurrent, and predictive validity, but the test-retest reliability of the iPBI has not yet been examined. Therefore, in the present study the iPBI was administered to university sport and exercise students (n = 160) and academy soccer athletes (n = 75) at three-time points...
December 12, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29229415/return-to-sports-after-tibial-tubercle-osteotomy-for-patellofemoral-pain-and-osteoarthritis
#17
Joseph N Liu, Hao-Hua Wu, Grant H Garcia, Irene L Kalbian, Sabrina M Strickland, Beth E Shubin Stein
PURPOSE: To determine the rate of return to sports and clinical outcomes after anteromedialization (AMZ) tibial tubercle osteotomy (TTO) for patients with patellofemoral pain and/or osteoarthritis. METHODS: This study is a retrospective case series of consecutive patients who underwent unilateral or staged bilateral AMZ TTO for a primary diagnosis of patellofemoral pain or arthritis. Included were all patients with minimum 1-year follow-up. The indication for surgery was failure of at least 6 months of nonoperative treatment...
December 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29228862/oculomotor-cognitive-control-abnormalities-in-australian-rules-football-players-with-a-history-of-concussion
#18
Meaghan Clough, Steven Mutimer, David K Wright, Adrian Tsang, Daniel Costello, Andrew Gardner, Peter Stanwell, Richelle Mychasiuk, Mujun Sun, Rhys D Brady, Stuart John McDonald, Kyria Maree Webster, Maddison Johnstone, Joanne Fielding, Bridgette Semple, Denes V Agoston, Owen B White, Richard Frayne, Terence John O'Brien, Sandy Richard Shultz
This study used oculomotor, cognitive, and multimodal magnetic resonance imaging (MRI) measures to assess for neurological abnormalities in current asymptomatic amateur Australian rules footballers (i.e., Australia's most participated collision sport) with a history of sports-related concussion (SRC). Participants were 15 male amateur Australian rules football players with a history of SRC greater than 6 months previously, and 15 sex-, age- and education-matched athlete control subjects that had no history of neurotrauma or participation in collision sports...
December 11, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29228408/-biomechanical-evaluation-of-rehabilitation-after-surgical-repair-of-achilles-tendon-ruptures
#19
Marlene Mauch, Markus Ulrich, Xaver Kaelin, Bernhard Segesser, Jochen Paul
Background Muscles and tendons are subjected to a high level of stress in everyday life and sports. This often leads to injuries and is associated with training failure and reduced performance as well as with high costs for treatment and rehabilitation. Fast and successful treatment is therefore very important, both from an athletic and economic point of view. This study aims to demonstrate the relevance of biomechanical procedures for the objective monitoring of rehabilitation. At the same time, the results are to be used to establish progress and evaluation criteria for an efficient and controlled rehabilitation...
December 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/29226558/detection-of-the-human-anti-actrii-antibody-bimagrumab-in-serum-by-means-of-affinity-purification-tryptic-digestion-and-lc-hrms
#20
Katja Walpurgis, Andreas Thomas, Frank Dellanna, Wilhelm Schänzer, Mario Thevis
PURPOSE: Inhibitors of the ActRII signaling pathways represent promising therapeutics for the treatment of muscular diseases, but also pose risks as performance-enhancing agents in sports. Bimagrumab is a human anti-ActRII antibody which was found to increase muscle mass and function by blocking ActRII signaling. As it has considerable potential for being misused as doping agent in sports, the aim of this study was to develop a mass spectrometric detection assay for doping control serum samples...
December 11, 2017: Proteomics. Clinical Applications
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